US 12,291,783 B2
Environmental barrier coating
Xia Tang, West Hartford, CT (US); Richard Wesley Jackson, Mystic, CT (US); James T. Beals, West Hartford, CT (US); and Kenneth David Smith, East Longmeadow, MA (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Aug. 16, 2021, as Appl. No. 17/402,801.
Claims priority of provisional application 63/065,784, filed on Aug. 14, 2020.
Prior Publication US 2022/0112608 A1, Apr. 14, 2022
Int. Cl. C23C 26/00 (2006.01); C04B 35/14 (2006.01); C04B 35/622 (2006.01); C04B 35/626 (2006.01); C04B 35/64 (2006.01); F02C 7/30 (2006.01)
CPC C23C 26/00 (2013.01) [C04B 35/14 (2013.01); C04B 35/62222 (2013.01); C04B 35/62655 (2013.01); C04B 35/6269 (2013.01); C04B 35/64 (2013.01); F02C 7/30 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3891 (2013.01); C04B 2235/9607 (2013.01); C04B 2235/9684 (2013.01); F05D 2230/22 (2013.01); F05D 2230/90 (2013.01); F05D 2240/35 (2013.01); F05D 2300/611 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An article comprising:
a metallic substrate; and
a bond coat on the metallic substrate, the bond coat including:
a matrix phase,
gettering particles in the matrix phase, wherein the gettering particles are reactive with oxidants, and
a dispersion of matrix modifier particles in the matrix phase; and
a diffusion barrier between the bond coat and the metallic substrate, wherein the diffusion barrier is configured to inhibit diffusion of components from the bond coat into the metallic substrate.